Japspeed K4 Nissan 350z Exhaust System (03-05 models)

As performance bargains go, Nissan’s 350Z is a hard car to beat. With a classy interior, RWD and a 3.5-litre high-revving V6 under the bonnet. Early examples can be picked up for as little as £6000, and even in standard trim they’re more than capable cars.

With 276bhp as standard they’re hardly slow either, but being naturally aspirated decent power gains can be hard to achieve. Luckily Japspeed has the perfect solution, and it fully utilises the beautiful sound of the VQ35DE engine!

Japspeed’s K4 exhaust system is much more free-flowing than standard thanks to a 3in bore all the way from the catalyser up to the 5in slash-cut tailpipes. To further improve flow, the K4 has two separate pipes for each bank of cylinder, providing a fantastic noise and minimum restriction. Whats more, a resonated centre section reduces the ‘boom’ usually associated with such free-flowing systems while maintaining the V6 rumble.

As with all Japspeed products, all gaskets and bolts are including for fitting. Each flange is CNC machined for a strong, solid and accurate fit while the TIG-welded T304 stainless steel construction ensure longevity. The K4 improves throttle response and power through the whole rev range, with peak gains of up to 20bhp available with a remap.

The K4 exhaust system fits all 350Zs up to 2005 and is available for £499 inc. VAT.

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